Australia · 1991–2020 normal

Karratha in
September.

Typical September weather in Karratha: 31°C by day, 17.1°C at night, 1 mm of rain over 0.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high31°C
Typical low17.1°C
Rain1 mm
Wet days0.2

Comfort score 73 this month (June leads the year at 90). Daylight is calculated as 12 h 00 from latitude -20.74°. Open-water sea temperature is 23.6°C (13 km from the place centre).

Event window

Warm sea in September

The nearest open-water NOAA OISST 1991–2020 cell averages 23.6°C in September. A sheltered bay can run warmer than that open-water cell.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 6620339
NOAA station
ASN00004083 · KARRATHA AERO
Station distance
8.1 km from the place centre
Coverage
Strong coverage · 28 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.